OSBC · NASDAQ
Old Second Bancorp (OSBC) Stock Price & Fundamentals
Old Second Bancorp (OSBC) closed at $320.58 on Oct 9, 2026, down 0.34% from the previous close of $321.68.
Share price, past year
1Y −11.82%Monthly closing prices
| Date | Close |
|---|---|
| Oct 9, 2026 | $320.58 |
| Sep 30, 2026 | $318.60 |
| Aug 31, 2026 | $347.73 |
| Jul 31, 2026 | $346.28 |
| Jun 30, 2026 | $347.85 |
| May 29, 2026 | $354.30 |
| Apr 30, 2026 | $377.06 |
| Mar 31, 2026 | $374.75 |
| Feb 27, 2026 | $363.17 |
| Jan 30, 2026 | $346.11 |
| Dec 31, 2025 | $361.18 |
| Nov 28, 2025 | $361.20 |
| Oct 31, 2025 | $357.87 |
Key statistics
- Market cap
- $16.33B
- P/E (TTM)
- 185.3
- EPS (TTM)
- $1.73
- Revenue (TTM)
- $381.45M
- Net income (TTM)
- $92.42M
- Shares outstanding
- 50.9M
- Dividend yield
- 0.08%
- 52-week range
- $315.63 – $388.52
Old Second Bancorp's market cap is $16.33B, based on a share price of $320.58 and 50.9M shares outstanding as of Jun 30, 2026.
Financials
Old Second Bancorp reported revenue (net interest income plus fees and other income) of $339.33M for fiscal 2025, up 18.87% from fiscal 2024.
Old Second Bancorp earned net income of $80.31M in fiscal 2025, a net margin of 23.7%.
Fiscal 2025 revenue was the highest in the 10 years shown.
Annual revenue
| Fiscal year | Revenue | Growth | Net income | Net margin | EPS (diluted) | Free cash flow |
|---|---|---|---|---|---|---|
| FY2025ended Dec 31, 2025 | $339.33M | +18.9% | $80.31M | 23.7% | $1.62 | $117.76M |
| FY2024ended Dec 31, 2024 | $285.45M | −0.2% | $85.26M | 29.9% | $1.87 | $120.75M |
| FY2023ended Dec 31, 2023 | $286.11M | +14.8% | $91.73M | 32.1% | $2.02 | $104.03M |
| FY2022ended Dec 31, 2022 | $249.27M | +83.3% | $67.41M | 27.0% | $1.49 | $93.01M |
| FY2021ended Dec 31, 2021 | $135.98M | +5.2% | $20.04M | 14.7% | $0.65 | $29.01M |
| FY2020ended Dec 31, 2020 | $129.24M | −2.5% | $27.83M | 21.5% | $0.92 | $22.07M |
| FY2019ended Dec 31, 2019 | $132.56M | +8.4% | $39.46M | 29.8% | $1.30 | $48.26M |
| FY2018ended Dec 31, 2018 | $122.29M | +16.2% | $34.01M | 27.8% | $1.12 | $53.01M |
| FY2017ended Dec 31, 2017 | $105.25M | +14.4% | $15.14M | 14.4% | $0.50 | $36.05M |
| FY2016ended Dec 31, 2016 | $92.02M | — | $15.68M | 17.1% | $0.53 | $25.27M |
| Quarter | Revenue | Net income | EPS (diluted) |
|---|---|---|---|
| Q2 FY2026ended Jun 30, 2026 | $96.59M | $28.18M | $0.54 |
| Q1 FY2026ended Mar 31, 2026 | $93.77M | $25.59M | $0.48 |
| Q4 FY2025ended Dec 31, 2025 | $95.21M | $28.79M | $0.53 |
| Q3 FY2025ended Sep 30, 2025 | $95.88M | $9.87M | $0.18 |
| Q2 FY2025ended Jun 30, 2025 | $75.13M | $21.82M | $0.48 |
| Q1 FY2025ended Mar 31, 2025 | $73.11M | $19.83M | $0.43 |
| Q4 FY2024ended Dec 31, 2024 | $73.19M | $19.11M | $0.42 |
| Q3 FY2024ended Sep 30, 2024 | $71.16M | $22.95M | $0.50 |
Earnings
Old Second Bancorp earned $0.54 per share in fiscal Q2 2026, reported Jul 22, 2026, up 12.50% from a year earlier.
Diluted earnings per share by quarter
| Quarter | Reported | EPS (diluted) | A year earlier | Change |
|---|---|---|---|---|
| Q2 FY2026ended Jun 30, 2026 | Jul 22, 2026Earnings release | $0.54 | $0.48 | +12.5% |
| Q1 FY2026ended Mar 31, 2026 | Apr 22, 2026Earnings release | $0.48 | $0.43 | +11.6% |
| Q4 FY2025ended Dec 31, 2025Full year minus Q1–Q3 | Jan 21, 2026Earnings release | $0.53 | $0.42 | +26.2% |
| Q3 FY2025ended Sep 30, 2025 | Oct 22, 2025Earnings release | $0.18 | $0.50 | −64.0% |
| Q2 FY2025ended Jun 30, 2025 | Jul 23, 2025Earnings release | $0.48 | $0.48 | 0.0% |
| Q1 FY2025ended Mar 31, 2025 | Apr 23, 2025Earnings release | $0.43 | $0.47 | −8.5% |
| Q4 FY2024ended Dec 31, 2024Full year minus Q1–Q3 | Jan 22, 2025Earnings release | $0.42 | $0.40 | +5.0% |
| Q3 FY2024ended Sep 30, 2024 | Oct 16, 2024Earnings release | $0.50 | $0.54 | −7.4% |
Dividends
Old Second Bancorp's dividends came to $0.27 per share over the last four quarters, up 17.39% from the four quarters before.
Old Second Bancorp has raised its yearly dividend 2 years in a row (fiscal 2024 to 2025).
Dividends per share by fiscal year
Yearly totals
| Fiscal year | Dividends per share |
|---|---|
| FY2025ended Dec 31, 2025 | $0.25 |
| FY2024ended Dec 31, 2024 | $0.21 |
| FY2023ended Dec 31, 2023 | $0.20 |
| FY2022ended Dec 31, 2022 | $0.20 |
| FY2021ended Dec 31, 2021 | $0.16 |
| FY2020ended Dec 31, 2020 | $0.04 |
| FY2019ended Dec 31, 2019 | $0.04 |
| FY2018ended Dec 31, 2018 | $0.04 |
| FY2017ended Dec 31, 2017 | $0.04 |
| FY2016ended Dec 31, 2016 | $0.03 |
| Quarter | Dividends per share |
|---|---|
| Q2 FY2026ended Jun 30, 2026 | $0.07 |
| Q1 FY2026ended Mar 31, 2026 | $0.07 |
| Q4 FY2025ended Dec 31, 2025 | $0.07 |
| Q3 FY2025ended Sep 30, 2025 | $0.06 |
| Q2 FY2025ended Jun 30, 2025 | $0.06 |
| Q1 FY2025ended Mar 31, 2025 | $0.06 |
| Q4 FY2024ended Dec 31, 2024 | $0.06 |
| Q3 FY2024ended Sep 30, 2024 | $0.05 |
| Q2 FY2024ended Jun 30, 2024 | $0.05 |
| Q1 FY2024ended Mar 31, 2024 | $0.05 |
| Q4 FY2023ended Dec 31, 2023 | $0.05 |
| Q3 FY2023ended Sep 30, 2023 | $0.05 |
Company profile
- Name
- Old Second Bancorp, Inc.
- Ticker
- OSBC
- Exchange
- NASDAQ
- Industry (SEC SIC)
- State Commercial Banks
- Headquarters
- 37 S River St, Aurora, IL 60507
- Incorporated in
- DE
- Fiscal year ends
- December
- SEC CIK
- 0000357173
Recent SEC filings
- Oct 1, 2026
- Aug 6, 2026
- Jul 22, 2026
- Jul 21, 2026
- Jul 8, 2026
- Jul 1, 2026
- Jun 25, 2026
- Jun 9, 2026
Related stocks
Old Second Bancorp's industry, as the SEC classifies it, is State Commercial Banks. The companies in it closest to Old Second Bancorp in revenue are First Mid Bancshares, Amalgamated Financial and Univest Financial.
ETFs that hold Old Second Bancorp
Of the ETFs and funds on Laurel, Vanguard Morningstar Total Stock Market ETF (VTI) holds the most Old Second Bancorp shares by value: 0.00% of the fund, as of its latest report to the SEC.
Frequently asked questions
What is Old Second Bancorp's stock price?
Old Second Bancorp (OSBC) closed at $320.58 on Oct 9, 2026, down 0.34% from the previous close of $321.68.
What is Old Second Bancorp's market cap?
Old Second Bancorp's market cap is $16.33B, based on a share price of $320.58 and 50.9M shares outstanding as of Jun 30, 2026.
How much revenue does Old Second Bancorp make?
Old Second Bancorp reported revenue (net interest income plus fees and other income) of $339.33M for fiscal 2025, up 18.87% from fiscal 2024.
What is OSBC's P/E ratio?
Old Second Bancorp's price-to-earnings ratio is 185.3, based on trailing twelve-month diluted EPS of $1.73.
Does Old Second Bancorp pay a dividend?
Yes. Old Second Bancorp's dividends came to $0.27 per share over the last four quarters, up 17.39% from the four quarters before. That's a yield of 0.08%.
Sources and methodology
Fundamentals come from Old Second Bancorp, Inc.'s filings with the SEC (EDGAR XBRL company facts). Fourth-quarter figures that companies don't report separately are calculated as the fiscal year minus the first three quarters. Trailing twelve-month (TTM) figures sum the latest four quarters. Prices are generated sample data for development. Last updated Oct 10, 2026. Data sources and disclosures